Pontoon boat plans can be used to help you build a pontoon boat you can use for all of your water activities. pontoon boats are known for their flat-bottomed. House boat plans so you build your own houseboat, plans for free with with tips and ideas. Intro: homemade pontoon boat. update: the canopy was too weak and a strong wind knocked it over, luckily i have some materials to build a new and improved one..